ZHCSRN7A January   2023  – September 2023 DAC539G2-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics: Voltage Output
    6. 6.6  Electrical Characteristics: Comparator Mode
    7. 6.7  Electrical Characteristics: General
    8. 6.8  Timing Requirements: I2C Standard Mode
    9. 6.9  Timing Requirements: I2C Fast Mode
    10. 6.10 Timing Requirements: I2C Fast Mode Plus
    11. 6.11 Timing Requirements: SPI Write Operation
    12. 6.12 Timing Requirements: SPI Read and Daisy Chain Operation (FSDO = 0)
    13. 6.13 Timing Requirements: SPI Read and Daisy Chain Operation (FSDO = 1)
    14. 6.14 Timing Requirements: GPIO
    15. 6.15 时序图
    16. 6.16 典型特性：电压输出
    17. 6.17 Typical Characteristics: Comparator
    18. 6.18 典型特性：通用
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Smart Digital-to-Analog Converter (DAC) Architecture
      2. 7.3.2 Programming Interface
      3. 7.3.3 Nonvolatile Memory (NVM)
    4. 7.4 Device Functional Modes
      1. 7.4.1 GPI-to-Voltage Converter
        1. 7.4.1.1 Voltage Reference and DAC Transfer Function
        2. 7.4.1.2 Power-Supply as Reference
        3. 7.4.1.3 Internal Reference
        4. 7.4.1.4 External Reference
      2. 7.4.2 Voltage-to-PWM Converter
        1. 7.4.2.1 Function Generation
          1. 7.4.2.1.1 Triangular Waveform Generation
          2. 7.4.2.1.2 Sawtooth Waveform Generation
          3. 7.4.2.1.3 PWM Frequency Correction
      3. 7.4.3 Device Reset and Fault Management
        1. 7.4.3.1 Power-On Reset (POR)
        2. 7.4.3.2 External Reset
        3. 7.4.3.3 Register-Map Lock
        4. 7.4.3.4 NVM Cyclic Redundancy Check (CRC)
          1. 7.4.3.4.1 NVM-CRC-FAIL-USER Bit
          2. 7.4.3.4.2 NVM-CRC-FAIL-INT Bit
      4. 7.4.4 Power-Down Mode
    5. 7.5 Programming
      1. 7.5.1 SPI Programming Mode
      2. 7.5.2 I2C Programming Mode
        1. 7.5.2.1 F/S Mode Protocol
        2. 7.5.2.2 I2C Update Sequence
          1. 7.5.2.2.1 Address Byte
          2. 7.5.2.2.2 Command Byte
        3. 7.5.2.3 I2C Read Sequence
    6. 7.6 Register Maps
      1. 7.6.1  NOP Register (address = 00h) [reset = 0000h]
      2. 7.6.2  DAC-X-VOUT-CMP-CONFIG Register (address = 15h, 03h) [reset = 0400h]
      3. 7.6.3  COMMON-CONFIG Register (address = 1Fh) [reset = 03F9h]
      4. 7.6.4  COMMON-TRIGGER Register (address = 20h) [reset = 0000h]
      5. 7.6.5  FUNCTION-TRIGGER Register (address = 21h) [reset = 0001h]
      6. 7.6.6  GENERAL-STATUS Register (address = 22h) [reset = 2068h]
      7. 7.6.7  DEVICE-MODE-CONFIG Register (address = 25h) [reset = 8040h]
      8. 7.6.8  INTERFACE-CONFIG Register (address = 26h) [reset = 0000h]
      9. 7.6.9  STATE-MACHINE-CONFIG Register (address = 27h) [reset = 0003h]
      10. 7.6.10 SRAM-CONFIG Register (address = 2Bh) [reset = 0000h]
      11. 7.6.11 SRAM-DATA Register (address = 2Ch) [reset = 0000h]
      12. 7.6.12 FUNCTION-CONFIG Register (SRAM address = 20h) [reset = 007Ah]
      13. 7.6.13 FUNCTION-MAX Register (SRAM address = 21h) [reset = B900h]
      14. 7.6.14 FUNCTION-MIN Register (SRAM address = 22h) [reset = 1900h]
      15. 7.6.15 GPI-DEBOUNCE Register (SRAM address = 23h) [reset = 0138h]
      16. 7.6.16 VOUT-DATA-X Register (SRAM address = 24h to 2Bh) [reset = see #GUID-D64978E3-E8F0-4408-A2C1-8C72D24777EC/X6961 ]
      17. 7.6.17 PWM-FREQUENCY-ERROR Register (SRAM address = 9Eh) [reset = device-specific]
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 Trademarks
    5. 9.5 静电放电警告
    6. 9.6 术语表
  11. 10Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

7.6 Register Maps

Table 7-9 Register Map
REGISTER MOST SIGNIFICANT DATA BYTE (MSDB) LEAST SIGNIFICANT DATA BYTE (LSDB)
BIT15 BIT14 BIT13 BIT12 BIT11 BIT10 BIT9 BIT8 BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 BIT0
NOP NOP
DAC-X-VOUT-CMP-CONFIG X VOUT-X-GAIN X CMP-X-OD-EN CMP-X-OUT-EN CMP-X-HIZ-IN-DIS CMP-X-INV-EN CMP-X-EN
COMMON-CONFIG RESERVED DEV-LOCK RESERVED EN-INT-REF VOUT-PDN-0 RESERVED VOUT-PDN-1 RESERVED
COMMON-TRIGGER DEV-UNLOCK RESET RESERVED NVM-PROG NVM-RELOAD
FUNCTION-TRIGGER RESERVED START-FUNCTION
GENERAL-STATUS NVM-CRC-FAIL-INT NVM-CRC-FAIL-USER X DAC-0-BUSY X DAC-1-BUSY NVM-BUSY DEVICE-ID
DEVICE-MODE-CONFIG RESERVED DIS-MODE-IN RESERVED SM-IO-EN RESERVED
INTERFACE-CONFIG X TIMEOUT-EN RESERVED FAST-SDO-EN X SDO-EN
STATE-MACHINE-CONFIG RESERVED SM-ABORT SM-START SM-EN
SRAM-CONFIG X SRAM-ADDR
SRAM-DATA SRAM-DATA
FUNCTION-CONFIG RESERVED FUNC-SELECT RESERVED CODE-STEP TIME-STEP
FUNCTION-MAX FUNCTION-MAX X
FUNCTION-MIN FUNCTION-MIN X
GPI-DEBOUNCE DEBOUNCE-DELAY
VOUT-DATA-X VOUT-DATA-X X
PWM-FREQUENCY-ERROR RESERVED FREQUENCY-ERROR
Note: Shaded cells indicate the register bits or fields that are stored in NVM.
Note: X = Don't care.
Table 7-10 Register Names
I2C/SPI ADDRESS SRAM ADDR REGISTER NAME SECTION
00h -- NOP Section 7.6.1
15h -- DAC-0-VOUT-CMP-CONFIG Section 7.6.2
03h -- DAC-1-VOUT-CMP-CONFIG Section 7.6.2
1Fh -- COMMON-CONFIG Section 7.6.3
20h -- COMMON-TRIGGER Section 7.6.4
21h -- FUNCTION-TRIGGER Section 7.6.5
22h -- GENERAL-STATUS Section 7.6.6
25h -- DEVICE-MODE-CONFIG Section 7.6.7
26h -- INTERFACE-CONFIG Section 7.6.8
27h -- STATE-MACHINE-CONFIG Section 7.6.9
2Bh -- SRAM-CONFIG Section 7.6.10
2Ch -- SRAM-DATA Section 7.6.11
-- 20h FUNCTION-CONFIG Section 7.6.12
-- 21h FUNCTION-MAX Section 7.6.13
-- 22h FUNCTION-MIN Section 7.6.14
-- 23h GPI-DEBOUNCE Section 7.6.15
-- 24h VOUT-DATA-0 Section 7.6.16
-- 25h VOUT-DATA-1 Section 7.6.16
-- 26h VOUT-DATA-2 Section 7.6.16
-- 27h VOUT-DATA-3 Section 7.6.16
-- 28h VOUT-DATA-4 Section 7.6.16
-- 29h VOUT-DATA-5 Section 7.6.16
-- 2Ah VOUT-DATA-6 Section 7.6.16
-- 2Bh VOUT-DATA-7 Section 7.6.16
-- 9Eh PWM-FREQUENCY-ERROR Section 7.6.17
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